Home / 10,432.64-15,663.52-9,956.32

Finding the Fourth Proportional to 10,432.64, 15,663.52 and 9,956.32

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Solution

The fourth proportional to 10,432.64, 15,663.52 and 9,956.32 is: 14,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.64 : 15,663.52 = 9,956.32 : x
  2. Step 2: Convert to fraction form
    10,432.64/15,663.52 = 9,956.32/x
  3. Step 3: Cross multiply
    10,432.64x = 15,663.52 × 9,956.32
  4. Step 4: Simplify right side
    10,432.64x = 155,951,017.45
  5. Step 5: Solve for x
    x = 155,951,017.45/10,432.64
  6. Step 6: Final answer
    x = 14,948.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.